MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 872

• Manufacturer Part Number: MPC555CME
• Description: KIT EVALUATION FOR MPC555
• Manufacturer: Freescale Semiconductor
• Type: Microcontrollerr

Specifications of MPC555CME

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Processor To Be Evaluated: MPC555
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: MPC555
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

E.3 PLL and Crystal Oscillator External Components
E.3.1 Crystal Oscillator External Components
MPC555 / MPC556
USER’S MANUAL
Load capacitances specified in the table include all stray capacitance.
Tolerance of the capacitors are ±10%.
The oscillator capacitors were calculated as follows:
NOTES:
Table E-1 External Components Value For Different Crystals (Q1)
Component
1. C
2. The Murata ceramic resonator includes the load capacitors. (8pF should be selected)
3. Resistor R
if necessary.
C
R
C
C
L
L
1
X
Y
1
3
according to crystal specification, C
1
is currently not required. Space should be left on the board to add it in the future
BOARD
NDK CP32C
Figure E-3 Crystal Oscillator Circuit
20 MHz
1MEG
VSSSYN
6
6
6
CLOCK AND BOARD GUIDELINES
C
C
3
X
Y
Q1
Rev. 15 October 2000
KINSEKI CX-11F
R
L
1
20 MHz
1MEG
= C
14
16
16
X
+ C
3
Y
.
NOTE: Resistor R
quired.
EXTAL
XTAL
MURATA CCSTC
MPC555 / MPC556
1MEG
4 MHz
—
—
—
2
1
3
is currently not re-
Units
Ohm
pF
pF
pF
MOTOROLA
E-4